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Individual Calculations January 2023 |
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| Costa, Vittorio Total change: -34.80 | |   |
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| WE 25 Salsomaggiore Terme - C | Salsomaggiore Terme | ITA | 2022-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1249 | 1265 | 2.00 | 5 | -0.59 | 40 | -23.60 | |
|  Bodria, Francesco | | | 1430 | ITA | 0.00 | 1 | -0.28 | 40 | -11.20 | |  Lettera, Fabio | | | 1078 | ITA | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Togni, Alessandro | | | 1383 | ITA | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Maraschi, Alberto | | | 1290 | ITA | 0.00 | 1 | -0.47 | 40 | -18.80 | | | Toma, Daniele | | | 1063 | ITA | 1.00 | 1 | 0.24 | 40 | 9.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | NOTE: K factor changed | | CP Modena 2023 - Memorial Mario Vivo | Modena | ITA | 2022-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1420 | 1265 | 0.50 | 3 | -0.56 | 20 | -11.20 | |
| | Viola, Lorenzo | | | 1735 | ITA | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Vaccari, Luigi | | | 1316 | ITA | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Rubini, Riccardo | | | 1210 | ITA | 0.50 | 1 | -0.08 | 20 | -1.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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